WO2022033519A1 - Procédé et appareil de mesure de faisceau candidat, et terminal - Google Patents

Procédé et appareil de mesure de faisceau candidat, et terminal Download PDF

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Publication number
WO2022033519A1
WO2022033519A1 PCT/CN2021/112072 CN2021112072W WO2022033519A1 WO 2022033519 A1 WO2022033519 A1 WO 2022033519A1 CN 2021112072 W CN2021112072 W CN 2021112072W WO 2022033519 A1 WO2022033519 A1 WO 2022033519A1
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WIPO (PCT)
Prior art keywords
measurement
indication information
time
time period
candidate beam
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PCT/CN2021/112072
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English (en)
Chinese (zh)
Inventor
杨宇
吴昱民
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维沃移动通信有限公司
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Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to JP2023511638A priority Critical patent/JP2023537775A/ja
Priority to EP21855570.4A priority patent/EP4199569A4/fr
Publication of WO2022033519A1 publication Critical patent/WO2022033519A1/fr
Priority to US18/168,415 priority patent/US20230199538A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
    • H04B7/06964—Re-selection of one or more beams after beam failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection

Definitions

  • the present application belongs to the field of communication technologies, and in particular relates to a method, an apparatus and a terminal for measuring a candidate beam.
  • the terminal When a beam failure occurs in a secondary cell (Secondary Cell, SCell), the terminal (User Equipment, UE) will report a beam failure recovery request (BFRQ) to the network side, that is, BFR MAC CE (Medium Access Control Control Element) , the media access layer control unit). In this BFR MAC CE, the terminal will report the identifier of the candidate beam (candidate beam) whose detected quality exceeds the preset threshold value to the network side.
  • BFR MAC CE Medium Access Control Control Element
  • the terminal will report the identifier of the candidate beam (candidate beam) whose detected quality exceeds the preset threshold value to the network side.
  • the reference signal Reference Signal
  • UE continues to measure candidate beam when the channel conditions are good and no beam failure has occurred for a long time, which increases the power consumption of the UE; 2) The UE starts measuring after determining that a beam failure has occurred in a certain cell , then it may fail to complete the measurement of the candidate beam when the uplink resources used to send the BFR MAC CE arrive, resulting in the failure to report the optimal candidate RS ID that meets the quality requirements, or the measured candidate beam does not meet the quality requirements. and cannot find a new beam for beam restoration.
  • the embodiments of the present application provide a method, device, and terminal for measuring a candidate beam, which can solve the problem that the time for the terminal to measure the candidate beam is not stipulated in the existing protocol, so that the terminal may not complete the measurement when the measurement result needs to be reported, so that the terminal may not complete the measurement.
  • a method for measuring a candidate beam including: a terminal measuring a candidate beam within a preset time period after receiving configuration information; wherein the configuration information includes a reference signal of the candidate beam. configuration information; the terminal reports the first indication information to the network side device according to the measurement result, or prohibits reporting the first indication information, where the first indication information is used to indicate the measurement result.
  • a device for measuring candidate beams including: a first measurement module configured to measure the candidate beams within a preset time period after receiving configuration information; wherein the configuration information includes the The configuration information of the reference signal of the candidate beam; the processing module is configured to report the first indication information to the network side device according to the measurement result, or prohibit the reporting of the first indication information, wherein the first indication information is used to indicate the measurement result.
  • a terminal includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor The steps of implementing the method as described in the first aspect.
  • a terminal including a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction when executed by the processor implements the following The steps of the method for measuring a candidate beam according to the first aspect.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect are implemented.
  • a fifth aspect provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a network-side device program or instruction, implementing the method described in the first aspect. method described.
  • a computer software product is provided, the computer software product is stored in a non-volatile storage medium, the software product is configured to be executed by at least one processor to implement the first aspect steps of the method.
  • a communication device configured to perform the method of the first aspect.
  • the terminal measures the candidate beams within a preset time period after receiving the configuration information, that is, the time at which the terminal measures the candidate beams is clarified, so that the terminal performs the measurement of the candidate beams within the specified time period.
  • the beam is measured to obtain a real measurement result, and then the measurement result is reported, or the reporting of the first indication information is prohibited, that is, the terminal may not report the first indication information according to the measurement result to avoid inaccurate reported information, or If the terminal reports the measurement result, it is to report the first indication information used to indicate the measurement result within the preset time period, that is, to report the accurate measurement result, thereby solving the problem that the existing protocol does not stipulate the time for the terminal to perform the candidate beam measurement, As a result, the terminal may not complete the measurement when the measurement result needs to be reported, so that the terminal cannot report the relatively accurate candidate beam measurement result to the network side device.
  • FIG. 1 shows a block diagram of a wireless communication system to which an embodiment of the present application can be applied
  • FIG. 2 is a flowchart of a method for measuring a candidate beam according to an embodiment of the present application
  • FIG. 3 is a schematic structural diagram of an apparatus for measuring a candidate beam according to an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the description below, although these techniques are also applicable to applications other than NR system applications, such as 6th generation ( 6th Generation , 6G) communication system.
  • 6th generation 6th Generation
  • BFR Beam Failure Recovery
  • SCell BFR For SCell BFR, it is mainly aimed at multi-carrier scenarios (can be understood as carrier aggregation (Carrier Aggregation, CA), with multiple carriers (Carrier), or multiple component carriers (Component Carrier, CC), or multiple cells ( cell)), in which there is a primary cell (such as PCell in a primary cell group (Master Cell Group, MCG)) or a primary secondary cell (Primary Secondary Cell, PSCell) in a secondary cell group (Secondary Cell Group, SCG)) and At least one SCell.
  • a primary cell such as PCell in a primary cell group (Master Cell Group, MCG)
  • Primary Secondary Cell Primary Secondary Cell
  • SCG Secondary Cell Group
  • BFD Beam Failure Detection
  • BFD is performed on each SCell, that is, the BFD reference signal RS is measured, wherein the configuration of the BFD parameter is per BWP per cell, which can be specifically:
  • BFD RS Reference Signal
  • Each BWP can correspond to up to 2 BFD RSs
  • BFD RS is located in the current CC
  • BFD RS can be on the active bandwidth part (Bandwidth Part, BWP) of the current CC or other CCs (if more than 2 CORESETs are configured, according to the UE implementation, based on the control resources of the active BWP of the current CC Set (Control resource set, CORESET) the RS configured in the TCI state to select the BFD RS(s));
  • BWP Bandwidth Part
  • CORESET Control resource set, CORESET
  • BFD BLER threshold default value of rlmInSyncOutOfSyncThreshold.
  • the maximum number of candidate beam RSs in each BWP is 64;
  • candidate beam RS can be based on SSB and CSI-RS for beam management
  • the candidate beam RS can be located on the CC monitoring the BFD RS or on the active BWP of other CCs on the same band.
  • the threshold range of candidate beam identification is based on range specified in RSRP-Range;
  • PUCCH-BFR (or link recovery request (LRR)) is configured, send PUCCH-BFR to request uplink resources;
  • the UE triggers a random access channel (Random Access Channel, RACH) procedure similar to that in 3GPP Release 15 (random access based on contention on PCell). (contention-based random access, CBRA));
  • RACH Random Access Channel
  • PUCCH-BFR is configured in PCell/PSCell
  • PUCCH-BFR can be configured on PUCCH-SCell
  • a maximum of one PUCCH-BFR resource is configured for one BWP;
  • a PDCCH with PUSCH scheduled, and its DCI format uses the same HARQ process number as the PUSCH carrying the BFR MAC CE;
  • the PUCCH-BFR can be a cell radio network temporary identifier (C-RNTI)/modulation and coding scheme carrying a cell radio network temporary identifier (Modulation and coding scheme Cell Radio Network Temporary Identifier, MCS-C-RNTI) conventional uplink grant;
  • C-RNTI cell radio network temporary identifier
  • MCS-C-RNTI Modulation and coding scheme Cell Radio Network Temporary Identifier
  • At least one of the following may be performed:
  • the beam information involved may also be referred to as: spatial relation information, spatial domain transmission filter information, and spatial filter information.
  • information Transmission Configuration Indicator (TCI) status information, Quasi co-location (QCL) information or QCL parameters, etc.
  • TCI Transmission Configuration Indicator
  • QCL Quasi co-location
  • Downlink beam information can generally be represented using transmission configuration indication status information or quasi-co-location information.
  • Uplink beam information can generally be represented using spatial relationship information.
  • antenna panels involved in the embodiments of the present application may also be referred to as: antenna groups, antenna port groups, antenna sets, antenna port sets, beam sets, beam sub-sets, antenna arrays, antenna port arrays, and antenna sub-arrays , antenna port sub-array, logical entity, entity or antenna entity, etc.
  • the identifier of the panel may be: an identifier of an antenna panel, a reference signal resource identifier, a reference signal resource set identifier, a TCI state identifier, a QCL information identifier, a spatial relationship identifier, and the like.
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (Vehicle user equipment, VUE), pedestrian terminal (pedestrian user equipment, PUE) and other terminal-side equipment, wearable devices include: bracelets, headphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (evolved Node B, eNB), Home Node B, Home Evolved Node B, Wireless Local Area Network (wireless local area network) area network, WLAN) access point, wireless fidelity (WiFi) node, Transmitting Receiving Point (TRP) or some other appropriate term in the field, as long as the same technical effect is achieved, all
  • the base station described above is not limited to specific technical vocabulary. It should be noted that, in the embodiments of the present application, only the base station in the NR system
  • FIG. 2 is a flowchart of a method for measuring a candidate beam according to an embodiment of the present application. As shown in FIG. 2 , the steps of the method include:
  • Step S202 the terminal measures the candidate beam within a preset time period after receiving the configuration information; wherein the configuration information includes the configuration information of the reference signal of the candidate beam;
  • Step S204 the terminal reports the first indication information to the network side device according to the measurement result, or prohibits the reporting of the first indication information, where the first indication information is used to indicate the measurement result.
  • the terminal measures the candidate beams within the preset time period after receiving the configuration information, that is, the time for the terminal to measure the candidate beams is clarified, so that the terminal performs the measurement of the candidate beams within the specified time period.
  • the candidate beam is measured to obtain a real measurement result, and then the measurement result is reported, or the reporting of the first indication information is prohibited, that is, the terminal may not report the first indication information according to the measurement result, so as to avoid inaccurate information reported, Or if the terminal reports the measurement result, it is to report the first indication information used to indicate the measurement result within the preset time period, that is, to report the accurate measurement result, thereby solving the problem that the existing protocol does not stipulate the time for the terminal to perform the candidate beam measurement. , resulting in a problem that the terminal may not complete the measurement when the measurement result needs to be reported, so that the terminal cannot report a relatively accurate candidate beam measurement result to the network side device.
  • the preset time period in the embodiment of the present application may include the following situations:
  • Case 1 The preset time period in the embodiment of the present application includes the first time period
  • the start time of the first time period is the time when the configuration information is received, or the start time of the first time period is the time after the first preset time period after the configuration information is received;
  • the termination time is the time when the terminal reports the first indication information, or the termination time of the first time period is determined by the received first stop measurement indication information, and the first stop measurement indication information is used to instruct the terminal to receive the first stop measurement indication
  • the measurement is stopped immediately after the information, or is used to instruct the terminal to stop the measurement after receiving the second preset duration of the first stop measurement indication information.
  • the measurement moment when the terminal performs the measurement of the candidate beam within the first time period, the measurement moment may be determined based on the moment when the configuration information is received, or the measurement moment of the candidate beam may be performed immediately at the moment when the configuration information is received.
  • the measurement can also be performed after the first preset time period after the configuration information is received, and the measurement of the candidate beam can be performed; and the measurement termination moment within the first time period can be determined according to the received first stop measurement indication information.
  • the time when the first stop measurement indication information is received may be used as the termination time, or the measurement may be stopped after the second preset duration of the first stop measurement indication information is received.
  • the start time of the first time period may be pre-agreed, and the end time of the first time period may be indicated by the network side device or agreed in the agreement.
  • the specific start time which method is used for the start time and the end time may be configured or selected according to the actual situation in the specific application scenario of the embodiment of the present application, which is not limited in this application.
  • the preset time period includes the second time period
  • the start time of the second time period is determined by the received start measurement instruction information
  • the end time of the second time period is determined by the received second stop measurement instruction information
  • the end time of the second time period is reported by the terminal the time of the first indication information
  • the measurement start indication information is used to instruct the terminal to start the measurement immediately after receiving the measurement start indication information, or to instruct the terminal to start the measurement after receiving the third preset duration of the measurement start indication information;
  • the second stop measurement indication information is used for The measurement is stopped immediately after the terminal is instructed to receive the second stop-measurement instruction information, or used to instruct the terminal to stop the measurement after a fourth preset duration of receiving the second stop-measurement instruction information.
  • the start time of the second time period may be determined according to the start measurement instruction information sent by the network side device, and the end time of the second time period may be determined according to the second stop measurement instruction sent by the network side device.
  • the information is determined, or it may be agreed in advance to stop the measurement at the moment when the terminal reports the first indication information. Because if the terminal continues to measure beyond the time when the first indication information is reported, the result of the measurement is the result of the next report, so it can be agreed in advance that the time when the terminal stops measuring can be the time when the first indication information is reported. 2.
  • the time of stopping the measurement indicated by the stop-measurement indication information cannot exceed the time of reporting the first indication information.
  • the preset time period after the terminal involved in step S202 in this embodiment of the present application receives the configuration information
  • the method of measuring the candidate beams can include:
  • Step S202-11 the terminal receives the start-measurement instruction information and the stop-measurement instruction information sent by the network side device;
  • the stop-measurement instruction information includes: the first stop-measurement instruction information or the second stop-measurement instruction information;
  • Step S202-12 the terminal measures the candidate beams in the second time period according to the indications of the start measurement indication information and the measurement stop indication information.
  • the start measurement indication information and stop measurement indication information are carried by at least one of the following: radio resource control (Radio Resource Control, RRC) signaling, media access layer control unit MAC CE signaling, downlink control information (Downlink Control Information) , DCI).
  • RRC Radio Resource Control
  • MAC CE media access layer control unit
  • DCI Downlink Control Information
  • the preset time period includes the third time period
  • the start time of the third time period is the start time of the fifth preset time period before the terminal reports the first indication information
  • the time period of the third time period is the fifth preset time period
  • the end time of the third time period is The time when the terminal reports the first indication information.
  • the fifth preset duration may be determined by a timer, that is, the time at which the fifth preset duration starts before the terminal reports the first indication information is the time at which the timer starts counting.
  • the timer expires after five preset time periods. That is to say, in this case 3, the time to stop or start the measurement may not be indicated by the network side device, but the start measurement time and the end measurement time of the third time period may be determined by the timer.
  • the start moment of the third time period may be after the terminal determines that the beam failure occurs.
  • the preset time period includes the fourth time period
  • the start time of the fourth time period is the time when the terminal determines that the beam failure occurs, or the start time of the fourth time period is the time after the sixth preset time period from the occurrence of the beam failure;
  • the duration is the sixth preset duration, or the termination time of the fourth time period is the time after the terminal determines that the beam failure occurs after the seventh preset duration expires, or the termination time of the fourth time period is the terminal reporting the first indication moment of information.
  • the sixth preset duration can also be determined by a timer, that is to say, the time when the beam failure occurs can be determined as the reference, and the time when the beam failure occurs, or the time since the occurrence of the beam failure can be determined.
  • the time after the end of the sixth preset duration is used as the initial measurement time, the timer starts timing at this time, and the time after the terminal determines that the beam failure occurs after the seventh preset duration expires, or the time when the first indication information is reported As the termination measurement time, the timer expires at this time.
  • the time of reporting the first indication information involved in the above situations 1 to 4 may be at least one of the following: the time of assembling the media access layer MAC protocol data unit (protocol data unit, PDU), the time of reporting the bearer beam The transmission time of the physical uplink shared channel PUSCH requesting BFRQ information is restored.
  • PDU media access layer MAC protocol data unit
  • the manner in which the terminal measures the candidate beam involved in step S202 may include: the terminal measures the quality of the reference signal resources of the candidate beam.
  • the measurement of the candidate beam may further be to measure the quality of the reference signal resources of the candidate beam, and then report the first indication information to the network side device according to the measurement result.
  • the manner in which the terminal involved in this step S204 reports the first indication information to the network side device according to the measurement result may further include:
  • Step S204-11 in the case of measuring the reference signal of the candidate beam that satisfies the preset condition, the terminal reports to the network side device first indication information for indicating the identity of the reference signal of the candidate beam that satisfies the preset condition; or ,
  • Step S204-12 in the case where the reference signal of the candidate beam that satisfies the preset condition is not measured, the terminal reports to the network side device a first indication for indicating that the terminal has not measured the reference signal of the candidate beam that satisfies the preset condition information.
  • a further step may be that the terminal prohibits reporting the first indication information when the reference signal of the candidate beam meeting the preset condition is not measured.
  • the terminal in the case of measuring the reference signal of the candidate beam that satisfies the preset condition, the terminal may report the first indication information, and if the reference signal of the candidate beam that satisfies the preset condition is not measured, The terminal may report the first indication information for indicating that the terminal does not measure the reference signal of the candidate beam that meets the preset condition, or it may be prohibited from reporting the first indication information. For example, in the above case 3, if the terminal does not measure the reference signal of the candidate beam that meets the preset condition within the third time period, the terminal may report the first indication that the reference signal of the candidate beam that meets the preset condition is not measured.
  • the prohibition of reporting the first indication information for prohibiting the reporting of the first indication information, in a specific application scenario, it can be prohibiting the reporting of the BFR MAC CE; for prohibiting the reporting of the first indication information, in a specific application scenario, it can be Reporting in the first PUSCH resource available for BFR MAC CE is prohibited.
  • satisfying the preset condition involved in the embodiment of the present application means that the reference signal received power or the signal-to-interference-noise ratio in the reference signal of the candidate beam is greater than or equal to the network side device Configured preset threshold.
  • the preset threshold may be determined by agreement in advance, or determined by the network side device, or determined by other methods in other scenarios. In specific application scenarios, configure or determine the corresponding preset according to the actual situation. threshold.
  • the method of the embodiment of the present application may further include:
  • Step S206 the terminal continues to measure the reference signal resources of the candidate beam
  • Step S208 in the case of measuring the reference signal of the candidate beam that satisfies the preset condition, the terminal reports to the network side device first indication information for indicating the identity of the reference signal of the candidate beam that satisfies the preset condition; or,
  • Step S210 in the case that the reference signal of the candidate beam meeting the preset condition is not measured, the terminal reports the first indication information of the reference signal for indicating that the terminal does not measure the candidate beam whose quality meets the preset condition to the network side device.
  • the method for determining whether a beam fails in the present application is as follows: the terminal determines whether a beam failure occurs in the cell and/or the bandwidth part by performing beam failure detection on the cell and/or the bandwidth part.
  • the measurement start time and measurement end time of the preset time period are specified, and some measurement time periods in the above cases 1 to 4 do not necessarily start after receiving the configuration information.
  • the time of termination is not necessarily the time when the first indication information is reported, but a time period between the time when the configuration information is received and the time when the first indication information is reported, which avoids the existing In the technology, the terminal continuously measures the candidate beams when the channel conditions are good and no beam failure has occurred for a long time. Therefore, compared with the continuous measurement in the prior art, by measuring the candidate beam within a preset time period in the embodiment of the present application, the effect of saving the power consumption of the terminal is also achieved.
  • Steps S202 and S204 in this embodiment of the present application are illustrated below with reference to the above situations 1 to 4;
  • the measurement method of the candidate beam includes:
  • Step S11 the terminal starts to measure the quality of the reference signal of the candidate beam at the moment of receiving the RRC configuration information used to configure the candidate beam RS from the network side equipment, until it receives the first stop measurement instruction information sent by the network side equipment. stop measuring at all times;
  • Step S12 the terminal reports the BFR MAC CE to the network side device, and the information carried by the BFR MAC CE includes:
  • step S11 the start measurement time and the end measurement time in the above step S11 are only examples of the first time period, and may be other start measurement time and end measurement time in other application scenarios.
  • step S12 if the candidate beam RS whose quality meets the preset condition is not detected, the terminal may not report the BFR MAC CE.
  • the measurement method of the candidate beam includes:
  • Step S21 the terminal starts to measure the quality of the reference signal of the candidate beam at the moment of receiving the start-measurement indication information, and stops the measurement at the moment of receiving the second stop-measurement indication information sent by the network side device;
  • Step S22 the terminal reports the BFR MAC CE to the network side device, and the information carried by the BFR MAC CE includes:
  • step S21 if the candidate beam RS whose quality meets the preset condition is not detected, the terminal may not report the BFR MAC CE.
  • the measurement method of the candidate beam includes:
  • Step S31 the terminal starts to measure the quality of the reference signal of the candidate beam at the moment when the fifth preset duration starts before reporting the first indication information, and stops measuring until the moment when the first indication information is reported;
  • Step S32 if the terminal detects the candidate beam RS whose quality meets the preset conditions, reports the BFR MAC CE to the network side device; if it does not detect the candidate beam RS whose quality meets the preset conditions, it reports to the network side equipment for indicating that The BFR MAC CE of candidate beam RS whose quality meets the preset conditions is detected, or the reporting of BFR MAC CE is prohibited.
  • start measurement time and the end measurement time in the above step S31 are only examples of the third time period, and may be other start measurement time and end measurement time in other application scenarios.
  • the measurement method of the candidate beam includes:
  • Step S41 the terminal starts to measure the quality of the reference signal of the candidate beam at the moment when the beam failure is determined to occur, and stops the measurement at the moment after the seventh preset time period after the beam failure is determined to have expired;
  • Step S42 if the terminal detects the candidate beam RS whose quality meets the preset conditions, reports the BFR MAC CE to the network side device; if it does not detect the candidate beam RS whose quality meets the preset conditions, it reports to the network side equipment for indicating that The BFR MAC CE of candidate beam RS whose quality meets the preset conditions is detected, or the reporting of BFR MAC CE is prohibited.
  • start measurement time and the end measurement time in the above step S41 are only examples of the third time period, and may be other start measurement time and end measurement time in other application scenarios.
  • the terminal may continue to perform the measurement of the candidate beam, and may determine to report the BFR MAC CE according to the measurement result, that is, if the detection When the candidate beam RS whose quality satisfies the preset conditions is reached, the BFR MAC CE is reported to the network side device; if the candidate beam RS whose quality satisfies the preset conditions is not detected, it is reported to the network side equipment to indicate that the quality satisfies the preset conditions is not detected.
  • Conditional candidate beam RS BFR MAC CE is used to report the BFR MAC CE according to the measurement result, that is, if the detection When the candidate beam RS whose quality satisfies the preset conditions is reached, the BFR MAC CE is reported to the network side device; if the candidate beam RS whose quality satisfies the preset conditions is not detected, it is reported to the network side equipment to indicate that the quality satisfies the preset conditions is not detected.
  • the time when the terminal measures the candidate beam is clarified, so that the terminal performs the measurement on the candidate beam within the specified time period to obtain the real measurement result, and then reports the measurement result, or prohibits reporting the measurement result.
  • the first indication information that is, the terminal may not report the first indication information according to the measurement result to avoid inaccurate information reported, or if the terminal reports the measurement result, it is reported to indicate the measurement within a preset time period
  • the first indication information of the result is to enable the UE to correctly report the measurement result of the candidate beam. If a beam failure occurs, the performance and delay of beam failure recovery are guaranteed.
  • the execution subject may be a measuring device for a candidate beam, or a control module for executing the method for measuring a candidate beam in the measuring device for a candidate beam.
  • the method for measuring a candidate beam performed by a device for measuring a candidate beam is used as an example to describe the device for measuring a candidate beam provided in the embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of an apparatus for measuring a candidate beam according to an embodiment of the present application. As shown in FIG. 3 , the apparatus includes:
  • the first measurement module 32 is configured to measure the candidate beam within a preset time period after receiving the configuration information; wherein the configuration information includes the configuration information of the reference signal of the candidate beam;
  • the processing module 34 is configured to determine, according to the measurement result, to report the first indication information to the network-side device, or forbid reporting the first indication information, where the first indication information is used to indicate the measurement result.
  • the preset time period in this embodiment of the present application includes a first time period, where the start time of the first time period is the time when the configuration information is received, or the start time of the first time period is from The time after the first preset time period after the configuration information is received; the termination time of the first time period is the time when the first indication information is reported, or the termination time of the first time period is the received first stop measurement indication information It is determined that the first measurement stop indication information is used to instruct to stop the measurement immediately after receiving the first measurement stop indication information, or to instruct to stop the measurement after the second preset duration of the first measurement stop indication information is received.
  • the preset time period includes a second time period, wherein the start time of the second time period is determined by the received start measurement indication information, and the end time of the second time period is determined by the received second stop measurement indication
  • the information is determined, or the termination time of the second time period is the time when the first indication information is reported; wherein, the measurement start indication information is used to indicate that the measurement is started immediately after receiving the start measurement indication information, or used to indicate that the measurement start indication is received after receiving the start measurement indication.
  • the measurement is started after the third preset duration of the information; the second measurement stop indication information is used to indicate that the measurement is stopped immediately after the second measurement stop indication information is received, or the fourth preset information is used to indicate that the second measurement stop indication information is received. Stop measuring after the duration.
  • the preset time period in this embodiment of the present application includes a third time period, where the start time of the third time period is the time when the fifth preset time period starts before reporting the first indication information, and the third time period starts.
  • the duration of the time period is the fifth preset duration; the termination time of the third time period is the time when the first indication information is reported.
  • the preset time period in this embodiment of the present application includes a fourth time period, wherein the start time of the fourth time period is the time when it is determined that the beam failure occurs, or the start time of the fourth time period is the time from the occurrence of the beam failure.
  • the later time, or the termination time of the fourth time period is the time when the first indication information is reported.
  • the first measurement module in this embodiment of the present application may further include: a receiving unit, configured to receive measurement start indication information and stop measurement indication information sent by the network side device; the stop measurement indication information includes: a first stop measurement indication information or second stop-measurement indication information; a measurement unit, configured to measure the candidate beam within a preset time period according to the indications of the start-measurement indication information and the stop-measurement indication information.
  • a receiving unit configured to receive measurement start indication information and stop measurement indication information sent by the network side device
  • the stop measurement indication information includes: a first stop measurement indication information or second stop-measurement indication information
  • a measurement unit configured to measure the candidate beam within a preset time period according to the indications of the start-measurement indication information and the stop-measurement indication information.
  • the measurement start indication information and the measurement stop indication information in the embodiment of the present application are carried by at least one of the following: radio resource control RRC signaling, medium access layer control unit MAC CE signaling, and downlink control information DCI.
  • the time of reporting the first indication information in the embodiment of the present application is at least one of the following: the time of assembling the media access layer protocol data unit MAC PDU, the time of reporting the physical uplink shared channel PUSCH carrying the beam recovery request BFRQ information. send time.
  • the first measurement module 32 in this embodiment of the present application is further configured to measure the quality of the reference signal resources of the candidate beams.
  • the processing module 34 in this embodiment of the present application may further include: a reporting unit, configured to report to the network side device when a reference signal of a candidate beam that meets a preset condition is measured, indicating that the preset condition is met The first indication information of the identifier of the reference signal of the candidate beam of the condition; or, the processing unit is configured to report the reference signal of the candidate beam that satisfies the preset condition to the network side device when the reference signal of the candidate beam that meets the preset condition is not measured to indicate that the measurement is not performed.
  • the first indication information to the reference signal of the candidate beam that satisfies the preset condition may further include: a reporting unit, configured to report to the network side device when a reference signal of a candidate beam that meets a preset condition is measured, indicating that the preset condition is met The first indication information of the identifier of the reference signal of the candidate beam of the condition; or, the processing unit is configured to report the reference signal of the candidate beam that satisfies the preset condition to the
  • the processing module 34 in this embodiment of the present application may further include: a prohibiting unit, configured to prohibit the reporting of the first indication information when the reference signal of the candidate beam that meets the preset condition is not measured.
  • a prohibiting unit configured to prohibit the reporting of the first indication information when the reference signal of the candidate beam that meets the preset condition is not measured.
  • the apparatus in this embodiment of the present application may further include: a second measurement module, configured to continue to measure the reference signal resources of the candidate beams; a first reporting module, using In the case of measuring the reference signal of the candidate beam that satisfies the preset condition, reporting the first indication information for indicating the identification of the reference signal of the candidate beam that satisfies the preset condition to the network side device; or, the second reporting module is used to report the first indication information of the reference signal for indicating that the candidate beam whose quality satisfies the preset condition is not measured to the network side device when the reference signal of the candidate beam meeting the preset condition is not measured.
  • satisfying the preset condition in this embodiment of the present application means that the reference signal received power or the signal-to-interference-noise ratio in the reference signal of the candidate beam is greater than or equal to a preset threshold configured by the network side device.
  • the apparatus in this embodiment of the present application may further include: a processing module configured to determine whether a beam failure occurs in the cell and/or the bandwidth part by performing beam failure detection on the cell and/or the bandwidth part.
  • a processing module configured to determine whether a beam failure occurs in the cell and/or the bandwidth part by performing beam failure detection on the cell and/or the bandwidth part.
  • the time for measuring the candidate beam is clarified, so that the beam is measured within the specified time period to obtain a real measurement result, and then the measurement result is reported, or the reporting of the measurement result is prohibited, or That is to say, the terminal may not report the first indication information according to the measurement result to avoid inaccurate information reported, or if the terminal reports the measurement result, it may report the first indication information for indicating the measurement result within the preset time period. , that is, the UE can correctly report the measurement result of the candidate beam, and if a beam failure occurs, the performance and delay of beam failure recovery are guaranteed.
  • the device for measuring a candidate beam in this embodiment of the present application may be a device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the device for measuring a candidate beam in this embodiment of the present application may be a device with an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the apparatus for measuring a candidate beam provided in this embodiment of the present application can implement each process implemented by the method embodiment in FIG. 2 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • an embodiment of the present application further provides a communication device 400, including a processor 401, a memory 402, a program or instruction stored in the memory 402 and executable on the processor 401,
  • a communication device 400 including a processor 401, a memory 402, a program or instruction stored in the memory 402 and executable on the processor 401
  • the communication device 400 is a terminal
  • the program or instruction is executed by the processor 401
  • each process of the above-mentioned embodiment of the method for measuring candidate beams is implemented, and the same technical effect can be achieved.
  • the communication device 400 is a network-side device
  • the program or instruction is executed by the processor 401, each process of the above-mentioned embodiment of the candidate beam measurement method can be realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • FIG. 5 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 500 includes but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, and a processor 510 and other components .
  • the terminal 500 may further include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 510 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 5 does not constitute a limitation on the terminal, and the terminal may include more or less components than those shown in FIG. 5 , or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 504 may include a graphics processor (Graphics Processing Unit, GPU) 5041 and a microphone 5042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 506 may include a display panel 5061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 507 includes a touch panel 5071 and other input devices 5072 .
  • the touch panel 5071 is also called a touch screen.
  • the touch panel 5071 may include two parts, a touch measurement device and a touch controller.
  • Other input devices 5072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not described herein again.
  • the radio frequency unit 501 receives the downlink data from the network side device, and then processes it to the processor 510; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 501 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • Memory 509 may be used to store software programs or instructions as well as various data.
  • the memory 509 may mainly include a storage program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 509 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 510 may include one or more processing units; optionally, the processor 510 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 510.
  • the processor 510 is configured to measure the candidate beams within a preset time period after receiving the configuration information; report first indication information to the network side device according to the measurement result, where the first indication information is used to indicate the measurement results.
  • the time when the terminal measures the candidate beams is clarified, so that the measurement of the beams is performed within the specified time period to obtain a real measurement result, and then the measurement result is reported. That is, if the terminal reports the first measurement result One indication information, the first indication information is used to indicate the measurement result within the preset time period, which enables the UE to correctly report the measurement result of the candidate beam. If a beam failure occurs, the performance and time of beam failure recovery are guaranteed. extension.
  • Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above-mentioned embodiment of the method for measuring candidate beams is implemented, and can To achieve the same technical effect, in order to avoid repetition, details are not repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiment.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction to implement the above-mentioned candidate beams.
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run a network-side device program or instruction to implement the above-mentioned candidate beams.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip, or the like.
  • the disclosed apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of this application.
  • a storage medium such as ROM/RAM, magnetic disk, CD-ROM
  • modules, units, and sub-units can be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processor (DSP), Digital Signal Processing Device (DSP Device, DSPD) ), Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), general-purpose processor, controller, microcontroller, microprocessor, in other electronic units or combinations thereof.
  • ASIC Application Specific Integrated Circuits
  • DSP Digital Signal Processor
  • DSP Device Digital Signal Processing Device
  • DSPD Digital Signal Processing Device
  • PLD Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • the technologies described in the embodiments of the present disclosure may be implemented through modules (eg, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
  • Software codes may be stored in memory and executed by a processor.
  • the memory can be implemented in the processor or external to the processor.

Abstract

La présente demande se rapporte au domaine technique des communications. Sont décrits un procédé et un appareil de mesure de faisceau candidat, et un terminal. Le procédé comprend les étapes suivantes : un terminal mesure un faisceau candidat dans une période de temps prédéfinie après la réception d'informations de configuration, les informations de configuration comprenant des informations de configuration d'un signal de référence du faisceau candidat ; et le terminal rapporte des premières informations d'indication à un dispositif côté réseau en fonction d'un résultat de mesure ou n'a pas le droit de rapporter les premières informations d'indication, les premières informations d'indication étant utilisées pour indiquer le résultat de mesure.
PCT/CN2021/112072 2020-08-14 2021-08-11 Procédé et appareil de mesure de faisceau candidat, et terminal WO2022033519A1 (fr)

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JP2023511638A JP2023537775A (ja) 2020-08-14 2021-08-11 候補ビームの測定方法、装置及び端末
EP21855570.4A EP4199569A4 (fr) 2020-08-14 2021-08-11 Procédé et appareil de mesure de faisceau candidat, et terminal
US18/168,415 US20230199538A1 (en) 2020-08-14 2023-02-13 Candidate beam measurement method and terminal

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CN202010820248.8A CN114079940B (zh) 2020-08-14 2020-08-14 候选波束的测量方法、装置及终端

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EP4199569A1 (fr) 2023-06-21
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US20230199538A1 (en) 2023-06-22
CN114079940B (zh) 2024-02-13

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